CN105601032A - Marine sewage treatment system and treatment method thereof - Google Patents

Marine sewage treatment system and treatment method thereof Download PDF

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Publication number
CN105601032A
CN105601032A CN201510977116.5A CN201510977116A CN105601032A CN 105601032 A CN105601032 A CN 105601032A CN 201510977116 A CN201510977116 A CN 201510977116A CN 105601032 A CN105601032 A CN 105601032A
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China
Prior art keywords
membrane
sewage
separator
fluid cushion
outlet
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CN201510977116.5A
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Chinese (zh)
Inventor
惠节
赵春生
王涛
孙长飞
刘文科
梁恩胜
牛志斌
刘迎秋
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Jiangsu Maritime Institute
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Jiangsu Maritime Institute
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Priority to CN201510977116.5A priority Critical patent/CN105601032A/en
Publication of CN105601032A publication Critical patent/CN105601032A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/42Treatment of water, waste water, or sewage by ion-exchange
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/42Treatment of water, waste water, or sewage by ion-exchange
    • C02F2001/425Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/08Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

The invention discloses a marine sewage treatment system and a treatment method thereof. The marine sewage treatment system comprises an oil-water separator (1), a precision filter (2), a resin adsorption system (3), a liquid buffer tank (5) and a membrane separator (6). The treatment method of the marine sewage treatment system comprises steps as follows: (1) sewage flows into the oil-water separator; (2) the sewage enters the precision filter through the oil-water separator for filtration; (3) effluent of the precision filter enters the liquid buffer tank; (4) a liquid in the liquid buffer tank (5) is stored in the tank, when the liquid level is increased to 3/4 of the liquid level or more, a pump plunger (12) is started to convey the inside liquid into the membrane separator (6), and when the liquid level is decreased to 1/10 of the liquid level or less, the pump plunger (12) is stopped; (5) effluent of the membrane separator (6) enters the resin adsorption system (3). The marine sewage treatment system is simple in structure, low in energy consumption and good in purification effect.

Description

A kind of sewage disposal system peculiar to vessel and processing method thereof
Technical field
The present invention relates to sewage treatment area, be specifically related to a kind of sewage disposal system peculiar to vessel and processing method thereof.
Background technology
Along with developing on an unprecedented scale of shipping business and ocean development, the environmental pollution of ocean is more and more serious, the mankind coupleAlso pay attention to day by day of the protection of ocean. The Sewage from Ships pollution problem being brought by ocean has also caused the mankindShow great attention to. In Sewage from Ships, contain the even richness of virus and high concentration of a large amount of bacteriums, parasiteNutrient laden material, the unprocessed water environment that is discharged into arbitrarily of these untreated sanitary sewages, will make in waterBiology and human infection, harm biology and human health, nutritive salt enters after water environment in addition, when its contentWhile reaching 0.01mg/L, just can make algae excessive ground Growth and reproduction, occur eutrophication. Water environment fromThe so destruction of purification process existence of suspended solid in sanitary sewage in addition, by bathing beach and fishing groundResource produces more serious impact. And sanitary sewage may bring alien species to marine environment, destructionMarine ecology balance. On the other hand, due to the shortage of foreign-going ship freshwater resources, by after sanitary sewage disposalRecycle, can greatly solve shortage of fresh water problem. Therefore, for the features of pollution of Sewage from ShipsAnd impact, carrying out systematization research and providing corresponding control countermeasure is an important content.
The water resource of China is relatively poor, if the sewage of discharge can be processed and recycled, not onlyCan reduce problem of environmental pollution, and significant to alleviating water shortage problem.
At present, lack a kind of sewage disposal system peculiar to vessel and processing method thereof of good purification.
Summary of the invention
For addressing the above problem, the sewage disposal peculiar to vessel that the object of this invention is to provide a kind of good purification isSystem and processing method thereof.
For realizing above-mentioned technical purpose, the technical solution used in the present invention is as follows: the invention provides a kind of shipBy sewage disposal system, described sewage disposal system peculiar to vessel comprises oil water separator, accurate filter, resinAdsorption system, fluid cushion tank and membrane separator; Described oil water separator, accurate filter, resin adsorptionSystem, fluid cushion tank and membrane separator are provided with import and outlet;
The outlet of described oil water separator is connected with the import of accurate filter, the going out of described accurate filterMouthful be connected with the import of resin adsorption system, the entering of the outlet of described resin adsorption system and fluid cushion tankMouth is connected, and the outlet of described fluid cushion tank is connected with the import of membrane separator.
Further, the top of described oil water separator is provided with the first electrically operated valve, described oil water separatorWith on the pipeline of accurate filter, be provided with the second electrically operated valve; Described resin adsorption system and fluid cushion tankPipeline on be provided with the 3rd electrically operated valve, on the sidewall of described accurate filter, be provided with the second magnetic valve,On the sidewall of described fluid cushion tank, be provided with remote liquid level device, the pipe of described fluid cushion tank and membrane separatorOn road, be provided with plunger displacement pump and check-valves, the top of described membrane separator is provided with the 3rd magnetic valve, described filmOn the sidewall pipeline of separator, be provided with the 5th electrically operated valve; The bottom of described membrane separator is provided with the 4th electricityMovable valve.
Further, the time of staying of sewage in accurate filter is 30-120min.
Further, in described resin adsorption system, be provided with macroporous absorbent resin, resin saturated adsorption bodyAmass 65-100 times for resin volume.
Further, on described membrane separator, be provided with membrane module.
Further, described membrane module is ceramic membrane, on described ceramic membrane, is provided with fenestra, and described fenestra is0.4 nanometer, the medium that described the 3rd magnetic valve passes through is compressed air.
Further, described sewage disposal system peculiar to vessel also comprises MBR membrane bioreactor, described MBR filmBioreactor is arranged between accurate filter and fluid cushion tank, the chamber of described MBR membrane bioreactorIn chamber, be provided with aeration film assembly, described aeration film assembly is made up of multiple hollow carbon membrane pipe arrays.
Further, on described aeration film assembly, be provided with air inlet pipe and escape pipe; On described carbon membrane pipe arrayBe provided with air inlet and gas outlet; The air inlet of described carbon membrane pipe array is connected with air inlet pipe, described carbon membraneThe gas outlet of pipe array is connected with escape pipe.
The processing method of sewage disposal system peculiar to vessel of the present invention, is characterized in that comprising the steps:
(1) sewage inflow oil water separator carries out water-oil separating;
(2) sewage enters accurate filter by oil water separator and filters, and filters out impurity;
(3) accurate filter water outlet enters resin adsorption system, and resin adsorption system is by resin and sewagePhysical action between organic principle is by organic matter removal;
(4) water outlet of resin adsorption system enters fluid cushion tank, and the liquid storage in fluid cushion tank is at tankIn son, liquid level is increased to 3/4 liquid level when above, and described pump plunger is opened, and the liquid of the inside is delivered to filmIn separator, when liquid level is reduced to below 1/10 liquid level, plunger displacement pump cuts out;
(5) water outlet of fluid cushion tank is to membrane separator, after filtering by the fenestra of membrane separator, and little moleculeLiquid enter the outside of film, macromolecular material is stayed membrane module inside, after completing and once filtering, postPlug pump cuts out, and the 4th electrically operated valve is closed, and passes into compressed air from the import of the 3rd magnetic valve, and the 5th is electronicValve open, makes the compressed air of macromolecular substances that is attached to fenestra discharge from the outlet of the 5th electrically operated valveMembrane separator.
Further, in step (2), sewage enters accurate filter mediation water quality by oil water separator,In whipping process, regulate pH value of sewage water to 5, in accurate filter, add active carbon, tentatively adsorb sewageIn organic matter, quality of activated carbon is 0.05% of sewage quality;
In step (4), the liquid level height in fluid cushion tank is controlled by remote liquid level device;
In step (5), plunger displacement pump is opened, and opens the 4th motor-driven valve, and filtrate enters membrane separator, filtrateFurther filter by fenestra; Plunger displacement pump cuts out, and compressed air passes through the 3rd magnetic valve and the 5th motor-driven valve,The filter residue that is attached to film tube-surface is collected to outer row.
Beneficial effect: the present invention is simple in structure, energy consumption is low, good purification, this equipment can be by high-concentration rawThe sewage disposal of living reaches country's water water standard again, meets the security requirement in the sealing places such as boats and ships, energyEnsure the reliability and stability of subsequent treatment.
Compared with prior art, tool of the present invention has the following advantages:
(1) the present invention has that hydraulic detention time is short, microorganism concn is higher, good than traditional biological treatment technologyGood denitrogenate performance, biochemical efficiency obviously improve; Sludge retention time is long, output is little.
(2) ceramic membrane in membrane separator, the fenestra of ceramic membrane, in 0.4 nanometer, can only pass through hydrone,Make sewage after treatment reach water supply standard again. Because the sanitary sewage on ship is discontinuity, first storeIn fluid cushion tank, in the time reaching certain liquid level, opening plunger pump, enters membrane separator, therebyPlay the effect of saving the energy.
(3) the large molecule such as the surfactant of MBR membrane bioreactor in can efficient degradation surface water is organicThing, reduces total phosphorus content and ammonia nitrogen in water body, and algae, mushroom material fast, makes water body nontoxicChange, innoxious. Thereby fundamentally solve problem of environmental pollution, realize zero pollutant discharge, without environment dirtDye.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the water quality photo before and after the embodiment of the present invention 1 is processed;
Wherein: 1 oil water separator, 2 accurate filters, 3 resin adsorption systems, 4 remote liquid level devices, 5 liquidBody surge tank, 6 membrane separators, 7 first electrically operated valves, 8 second electrically operated valves, 9 the 5th electrically operated valves,10 the 4th electrically operated valves, 11 the 3rd electrically operated valves, 12 plunger displacement pumps, 13 check-valves, 14 second magnetic valves,15 the 3rd magnetic valves.
Detailed description of the invention
The present invention will be elaborated to technical scheme of the present invention by following specific embodiment, but neverOnly limit to embodiment proposed below.
Embodiment 1
As depicted in figs. 1 and 2, the invention provides a kind of sewage disposal system peculiar to vessel, described sewage peculiar to vesselTreatment system comprises oil water separator 1, accurate filter 2, resin adsorption system 3, fluid cushion tank 5 andMembrane separator 6; Described oil water separator 1, accurate filter 2, resin adsorption system 3, fluid cushion tank 5Be provided with import and outlet with membrane separator 6;
The outlet of described oil water separator 1 is connected with the import of accurate filter 2, described accurate filter 2Outlet be connected with the import of resin adsorption system 3, the outlet of described resin adsorption system 3 and liquid are slowThe import of rushing tank 5 is connected, and the outlet of described fluid cushion tank 5 is connected with the import of membrane separator 6.
The top of described oil water separator 1 is provided with the first electrically operated valve 7, and described oil water separator 1 is with accurateOn the pipeline of filter 2, be provided with the second electrically operated valve 8; Described resin adsorption system 3 and fluid cushion tank 5Pipeline on be provided with the 3rd electrically operated valve 11, on the sidewall of described accurate filter 2, be provided with the second electromagnetismValve 14, is provided with remote liquid level device 4 on the sidewall of described fluid cushion tank 5, described fluid cushion tank 5 withOn the pipeline of membrane separator 6, be provided with plunger displacement pump 12 and check-valves 13, the top of described membrane separator 6 arrangesThere is the 3rd magnetic valve 15, on the sidewall pipeline of described membrane separator 6, be provided with the 5th electrically operated valve 9; DescribedThe bottom of membrane separator 6 is provided with the 4th electrically operated valve 10. Described check-valves 13 prevents that aqueous reflux is to plunger displacement pump12 li.
The time of staying of sewage in accurate filter 2 is 30min.
In described resin adsorption system 3, be provided with macroporous absorbent resin, resin saturated adsorption volume is resiniteLong-pending 65 times.
On described membrane separator 6, be provided with membrane module, described membrane module is ceramic membrane. On described ceramic membrane, establishBe equipped with fenestra, described fenestra is 0.4 nanometer, can only pass through hydrone. Described the 3rd magnetic valve 15 passes throughMedium is compressed air.
In described resin adsorption system 3, be provided with acid cation exchange resin;
Described sewage disposal system peculiar to vessel also comprises MBR membrane bioreactor, described MBR membrane bioreactorBe arranged between accurate filter 2 and fluid cushion tank 5, in the chamber of described MBR membrane bioreactor, establishBe equipped with aeration film assembly, described aeration film assembly is made up of multiple hollow carbon membrane pipe arrays.
On described aeration film assembly, be provided with air inlet pipe and escape pipe; On described carbon membrane pipe array, be provided with air inletMouth and gas outlet; The air inlet of described carbon membrane pipe array is connected with air inlet pipe, the going out of described carbon membrane pipe arrayGas port is connected with escape pipe.
The processing method of sewage disposal system peculiar to vessel of the present invention, comprises the steps:
(1) sewage flows into oil water separator 1, carries out water-oil separating;
(2) sewage enters accurate filter 2 by oil water separator 1 and filters, and filters out impurity; SewageEnter accurate filter mediation water quality by oil water separator, in whipping process, regulate pH value of sewage water to 5, pastIn accurate filter, add active carbon, tentatively adsorb the organic matter in sewage, quality of activated carbon is sewage quality0.05%;
(3) accurate filter 2 water outlets enter resin adsorption system 3, resin adsorption system 3 by resin withPhysical action in sewage between organic principle is by organic matter removal;
(4) water outlet of resin adsorption system 3 enters fluid cushion tank 5, and the liquid in fluid cushion tank 5 is depositedStorage is in jar, and liquid level is increased to 3/4 liquid level when above, and described pump plunger 12 is opened, by the liquid of the insideBe delivered to 6 li of membrane separators, when liquid level is reduced to below 1/10 liquid level, plunger displacement pump 12 cuts out; At liquidLiquid level height in surge tank 5 is controlled by remote liquid level device 4; Fluid cushion tank 5 plays guaranteeThe effect of the stable water pressure of membrane separator 6.
(5) water outlet of fluid cushion tank 5 is to membrane separator 6, after filtering by the fenestra of membrane separator 6,Micromolecular liquid enters the outside of film, and macromolecular material is stayed membrane module inside, completes once filtrationAfter, plunger displacement pump 12 cuts out, and the 4th electrically operated valve 10 is closed, and passes into compression from the import of the 3rd magnetic valve 15Air, the 5th electrically operated valve 9 is opened, and makes the compressed air of macromolecular substances that is attached to fenestra from the 5th electricityMembrane separator 6 is discharged in the outlet of movable valve 9. Plunger displacement pump 12 is opened, and opens the 4th motor-driven valve 10, and filtrate is enteredEnter membrane separator, filtrate is further filtered by fenestra; Plunger displacement pump 12 cuts out, and compressed air is by the 3rd electricityMagnet valve 15 and the 5th motor-driven valve 9, collect outer row by the filter residue that is attached to film tube-surface.
Embodiment 2
Embodiment 2 is with the difference of embodiment 1: the time of staying of sewage in accurate filter 2 is80min. In described resin adsorption system 3, be provided with macroporous absorbent resin, resin saturated adsorption volume is resin80 times of volume. In described resin adsorption system 3, be provided with acid cation exchange resin, resin saturatedAdsorption volume is 160 times of resin volume.
Embodiment 3
Embodiment 3 is with the difference of embodiment 1: the time of staying of sewage in accurate filter 2 is120min. In described resin adsorption system 3, be provided with macroporous absorbent resin, resin saturated adsorption volume is tree100 times of fat volume. In described resin adsorption system 3, be provided with acid cation exchange resin, resinSaturated adsorption volume is 260 times of resin volume.
Test 1
Embodiment 1 system water quality after treatment is analyzed, drawn containing of COD COD, ammonia nitrogenThe content of amount, Solid Suspension substrate concentration is as shown in table 1.
Table 1
As shown in table 1, the COD COD in waste water, total nitrogen, SS Solid Suspension substrate concentration process systemAfter system, all can progressively reduce, reach the discharge standard of national regulation.
Test 2
Embodiment 2 system water quality after treatment is carried out to analyzing and processing, as shown in Figure 2, process through 30minAfter, decolorizing effect is obvious, and suspended particulate reduces, and COD is down to 642mg/L from original 1530mg/L,Degradation rate reaches 53.4%. Refer to shown in following table 2:
Table 2
Water quality parameter Former state Process after 3h Degradation rate
COD(mg/L) 1530 442 71.1%
Colourity Light yellow Water white transparency ——
Suspended particulate More Seldom ——
As shown in Figure 2, successful before and after sewage purification of the present invention, can reach discharging standards.
More than describe preferred embodiment of the present invention in detail. Should be appreciated that the ordinary skill of this areaPersonnel just can design according to the present invention make many modifications and variations without creative work. Therefore, allIn the art technical staff under this invention's idea on the basis of existing technology by logic analysis, push awayReason or the limited available technical scheme of experiment, all should be by the determined protection model of claimsIn enclosing.

Claims (10)

1. a sewage disposal system peculiar to vessel, is characterized in that: described sewage disposal system peculiar to vessel comprises profitSeparator (1), accurate filter (2), resin adsorption system (3), fluid cushion tank (5) separate with filmDevice (6); Described oil water separator (1), accurate filter (2), resin adsorption system (3), liquid delayRush tank (5) and membrane separator (6) is provided with import and outlet;
The outlet of described oil water separator (1) is connected with the import of accurate filter (2), described precisionThe outlet of filter (2) is connected with the import of resin adsorption system (3), described resin adsorption system (3)Outlet be connected with the import of fluid cushion tank (5), outlet and the film of described fluid cushion tank (5) divideImport from device (6) is connected.
2. sewage disposal system peculiar to vessel according to claim 1, is characterized in that: described water-oil separatingThe top of device (1) is provided with the first electrically operated valve (7), described oil water separator (1) and accurate filter(2) on pipeline, be provided with the second electrically operated valve (8); Described resin adsorption system (3) and fluid cushionOn the pipeline of tank (5), be provided with the 3rd electrically operated valve (11), on the sidewall of described accurate filter (2), establishBe equipped with the second magnetic valve (14), on the sidewall of described fluid cushion tank (5), be provided with remote liquid level device (4),On the pipeline of described fluid cushion tank (5) and membrane separator (6), be provided with plunger displacement pump (12) and check-valves(13), the top of described membrane separator (6) is provided with the 3rd magnetic valve (15), described membrane separator (6)Sidewall pipeline on be provided with the 5th electrically operated valve (9); The bottom of described membrane separator (6) is provided with the 4thElectrically operated valve (10).
3. sewage disposal system peculiar to vessel according to claim 1, is characterized in that: sewage is in accurate mistakeThe time of staying in filter (2) is 30-120min.
4. sewage disposal system peculiar to vessel according to claim 1, is characterized in that: described resin adsorptionSystem is provided with macroporous absorbent resin in (3), and resin saturated adsorption volume is 65-100 times of resin volume.
5. sewage disposal system peculiar to vessel according to claim 1, is characterized in that: described membrane separator(6) on, be provided with membrane module.
6. sewage disposal system peculiar to vessel according to claim 5, is characterized in that: described membrane module isCeramic membrane, is provided with fenestra on described ceramic membrane, and described fenestra is 0.4 nanometer, described the 3rd magnetic valve (11)The medium passing through is compressed air.
7. sewage disposal system peculiar to vessel according to claim 1, is characterized in that: described sewage peculiar to vesselTreatment system also comprises MBR membrane bioreactor, and described MBR membrane bioreactor is arranged on accurate filterAnd between fluid cushion tank, in the chamber of described MBR membrane bioreactor, be provided with aeration film assembly, described inAeration film assembly is made up of multiple hollow carbon membrane pipe arrays.
8. sewage disposal system peculiar to vessel according to claim 7, is characterized in that: described aeration film groupOn part, be provided with air inlet pipe and escape pipe; On described carbon membrane pipe array, be provided with air inlet and gas outlet; DescribedThe air inlet of carbon membrane pipe array is connected with air inlet pipe, and the gas outlet of described carbon membrane pipe array is connected with escape pipeLogical.
9. the processing method of the sewage disposal system peculiar to vessel described in claim 1 to 8 any one, its feature existsIn comprising the steps:
(1) sewage inflow oil water separator (1) carries out water-oil separating;
(2) sewage enters accurate filter (2) by oil water separator (1) and filters, and filters out impurity;
(3) accurate filter (2) water outlet enters resin adsorption system (3), and resin adsorption system (3) is logicalCross in resin and sewage the physical action between organic principle by organic matter removal;
(4) water outlet of resin adsorption system (3) enters fluid cushion tank (5), in fluid cushion tank (5)Liquid storage in jar, liquid level is increased to 3/4 liquid level when above, described pump plunger (12) is opened,The liquid of the inside is delivered to membrane separator (6) inner, when liquid level is reduced to below 1/10 liquid level, plunger displacement pump(12) close;
(5) water outlet of fluid cushion tank (5) is to membrane separator (6), by the fenestra of membrane separator (6)After filtration, micromolecular liquid enters the outside of film, and macromolecular material is stayed membrane module inside, completesAfter once filtering, plunger displacement pump (12) cuts out, and the 4th electrically operated valve (10) is closed, from the 3rd magnetic valve (15)Import pass into compressed air, the 5th electrically operated valve (9) is opened, and makes to be attached to the macromolecular substances quilt of fenestraCompressed air is discharged membrane separator (6) from the outlet of the 5th electrically operated valve (9).
10. the processing method of sewage disposal system peculiar to vessel according to claim 9, is characterized in that:
In step (2), sewage enters accurate filter mediation water quality by oil water separator, at whipping processMiddle adjusting pH value of sewage water to 5 adds active carbon in accurate filter, tentatively adsorbs the organic matter in sewage,Quality of activated carbon is 0.05% of sewage quality;
In step (4), the liquid level height in fluid cushion tank (5) is by remote liquid level device (4)Control;
In step (5), plunger displacement pump (12) is opened, and opens the 4th motor-driven valve (10), and filtrate enters filmSeparator, filtrate is further filtered by fenestra; Plunger displacement pump (12) cuts out, and compressed air is by the 3rd electricityMagnet valve (15) and the 5th motor-driven valve (9), collect outer row by the filter residue that is attached to film tube-surface.
CN201510977116.5A 2015-12-23 2015-12-23 Marine sewage treatment system and treatment method thereof Pending CN105601032A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510977116.5A CN105601032A (en) 2015-12-23 2015-12-23 Marine sewage treatment system and treatment method thereof

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Application Number Priority Date Filing Date Title
CN201510977116.5A CN105601032A (en) 2015-12-23 2015-12-23 Marine sewage treatment system and treatment method thereof

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Publication Number Publication Date
CN105601032A true CN105601032A (en) 2016-05-25

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CN110872156A (en) * 2018-09-03 2020-03-10 中国石油化工股份有限公司 Hazardous chemical substance separation and recovery method

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Publication number Priority date Publication date Assignee Title
CN101648760A (en) * 2009-09-17 2010-02-17 东台市东方船舶装配有限公司 Oily waste water separation treatment device for ships
CN101654150A (en) * 2009-09-17 2010-02-24 东台市东方船舶装配有限公司 Method for separating and processing marine oily water and processing device thereof

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Publication number Priority date Publication date Assignee Title
CN101648760A (en) * 2009-09-17 2010-02-17 东台市东方船舶装配有限公司 Oily waste water separation treatment device for ships
CN101654150A (en) * 2009-09-17 2010-02-24 东台市东方船舶装配有限公司 Method for separating and processing marine oily water and processing device thereof

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Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110872156A (en) * 2018-09-03 2020-03-10 中国石油化工股份有限公司 Hazardous chemical substance separation and recovery method

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